CN207009516U - Battery modules end plate and battery modules - Google Patents
Battery modules end plate and battery modules Download PDFInfo
- Publication number
- CN207009516U CN207009516U CN201720873007.3U CN201720873007U CN207009516U CN 207009516 U CN207009516 U CN 207009516U CN 201720873007 U CN201720873007 U CN 201720873007U CN 207009516 U CN207009516 U CN 207009516U
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- China
- Prior art keywords
- battery modules
- end plate
- energy
- connecting portion
- absorbing body
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Battery Mounting, Suspending (AREA)
Abstract
The application is related to cell art, more particularly to a kind of battery modules end plate and battery modules, the battery modules end plate includes body and energy-absorbing body, the energy-absorbing body is movably installed on the body, the body and the energy-absorbing body are relative on the thickness direction of the battery modules end plate, and have the clearance space for energy-absorbing body deformation between the two.After battery modules assembling is completed, if the battery of battery modules expands, and apply expansive force to battery modules end plate, then elastic deformation will occur for energy-absorbing body, and then absorb the expansive force of battery.Therefore, the battery modules end plate can prevent the housing of battery modules from failing, and then lift the structural strength of battery modules.
Description
Technical field
The application is related to cell art, more particularly to a kind of battery modules end plate and battery modules.
Background technology
The housing of battery modules is one of core component of battery modules, and the housing is internally formed for accommodating battery
Space.The housing of traditional battery modules mainly includes a pair of side plates, a pair of end plate, bottom plate and upper lid, end plate and passed through with side plate
The mode such as weld, be screwed to be fixedly mounted.Constantly lifted with the capacity of battery modules, the battery in housing applies to housing
Expansive force be also continuously increased, this results in end plate and easily deformed displacement, and then causes the company between side plate and end plate
Connecing easily failure, (such as the bolt of welding seam failure between side plate and end plate, connecting lateral plate and end plate is because by excessive shearing
Power and fail).Therefore, there is the problem of structural strength is relatively low in traditional battery modules.
Utility model content
This application provides a kind of battery modules end plate and battery modules, to improve the structural strength of battery modules.
The first aspect of the application provides a kind of battery modules end plate, and it includes body and energy-absorbing body, the energy-absorbing body
It is installed on the body, the body and the energy-absorbing body are relative on the thickness direction of the battery modules end plate, and two
There is the clearance space for energy-absorbing body deformation between person.
Preferably, the energy-absorbing body is curved slab.
Preferably, the energy-absorbing body is cambered plate, and the middle part of the energy-absorbing body is bent to close to the direction of the body.
Preferably, the energy-absorbing body includes service portion and first connecting portion, and the service portion passes through the first connecting portion
It is connected with the body,
The side that the first connecting portion is connected with the body is the first side, and opposite side is the second side, in the battery
On the thickness direction of module end plate, first side is than second side closer to the body.
Preferably, the energy-absorbing body also includes second connecting portion, the first connecting portion by the second connecting portion with
The body connection,
The edge of the body forms reel, and the second connecting portion is embedded in the reel.
Preferably, the second connecting portion includes cylindrical body, and the reel is embedded in the inside of the cylindrical body, the tubular
The outer surface of the inwall of body and the reel fits.
Preferably, the junction of the first connecting portion and the second connecting portion is convex to the direction close to the body
Go out.
Preferably, the opposite sides of the service portion by the first connecting portion and the second connecting portion with it is described
Body connects.
The second aspect of the application provides a kind of battery modules, and it includes rigid end sheet and plastic cement end plate, the plastic cement
End plate is arranged between battery and the rigid end sheet, and the rigid end sheet is the battery modules end plate described in any of the above-described.
Preferably, the energy-absorbing body of the rigid end sheet is curved slab, towards the face of the plastic cement end plate on the energy-absorbing body
For curved surface, at least a portion on the plastic cement end plate towards the surface of the energy-absorbing body fits with the curved surface.
The technical scheme that the application provides can reach following beneficial effect:
Battery modules end plate provided herein includes body and energy-absorbing body, after battery modules assembling is completed, if
The battery of battery modules expands, and applies expansive force to battery modules end plate, then elastic deformation will occur for energy-absorbing body, enter
And absorb the expansive force of battery.Therefore, the battery modules end plate can prevent the housing of battery modules from failing, and then be lifted
The structural strength of battery modules.
It should be appreciated that the general description and following detailed description of the above are only exemplary, this can not be limited
Application.
Brief description of the drawings
Fig. 1 is the structural representation of the battery modules involved by the embodiment of the present application;
Cooperation schematic diagrams of the Fig. 2 by the battery modules end plate that the embodiment of the present application provides and plastic cement end plate;
The structural representation for the battery modules end plate that Fig. 3 is provided by the embodiment of the present application;
The top view for the battery modules end plate that Fig. 4 is provided by the embodiment of the present application;
In the battery modules that Fig. 5 is provided by the embodiment of the present application, the structural representation of plastic cement end plate.
Reference:
10- battery modules end plates;
101- bodies;
101a- reels;
102- energy-absorbing bodies;
102a- service portions;
102b- first connecting portions;
102c- second connecting portions;
11- side plates;
12- plastic cement end plates;
120- surfaces.
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the application
Example, and be used to together with specification to explain the principle of the application.
Embodiment
The application is described in further detail below by specific embodiment and with reference to accompanying drawing.
As Figure 1-5, the embodiment of the present application provides a kind of battery modules end plate 10, and the battery modules end plate 10 can
Shell with side plate 11, bottom plate and upper cap-shaped into battery modules, the battery of battery modules can be positioned in the shell.
Above-mentioned battery modules end plate 10 may include body 101 and energy-absorbing body 102.Body 101 is battery modules end plate 10
Agent structure, the body 101 can weld with side plate 11.Energy-absorbing body 102 is installed on body 101, body 101 and energy-absorbing body
102 is relative on the thickness direction of battery modules end plate 10, and has the clearance space deformed for energy-absorbing body 102 between the two.
It can deform after the stress of energy-absorbing body 102, and then be deformed in above-mentioned clearance space, to absorb the expansion of battery
Power, therefore, the direction of motion of energy-absorbing body 102 can be the direction away from battery, and in this process, energy-absorbing body 102 is close to this
Body 101.Also, after relative to body 101 elastic deformation occurs for energy-absorbing body 102, when the expansive force of battery reduces, energy-absorbing body
102 deflection reduces therewith, it might even be possible to recovers deformation.Specifically, energy-absorbing body 102 can be articulated with body 101, or
Both are slidably connected to body 101, or use other movable connection methods, and these connected modes can make energy-absorbing body 102 exist
While realizing the positioning of battery, more freely deformed when by expansive force.
Above-mentioned energy-absorbing body 102 could be arranged to plate, and specifically, it can be flat board or curved slab, it is contemplated that curved surface
The deformability of plate is better than flat board, therefore energy-absorbing body 102 is preferably curved slab by the embodiment of the present application.When energy-absorbing body 102 is set
For curved slab when, it can be specifically irregular curved surface, but such a structure can cause the processing work of battery modules end plate 10
Skill is excessively complicated, also, less stable when such a stress of energy-absorbing body 102 deforms.Therefore, the embodiment of the present application enters one
Energy-absorbing body 102 is arranged to cambered plate by step, and the middle part of energy-absorbing body 102 is bent to close to the direction of body 101.With reference to figure 4, in electricity
In the projection obtained in the short transverse of pond module, energy-absorbing body 102 is projected as camber line structure.When energy-absorbing body 102 is cambered plate,
Expansive force can be effectively decomposed, reduces the power being transferred on body 101.
In a kind of embodiment, energy-absorbing body 102 can specifically include service portion 102a and first connecting portion 102b, service portion
102a is connected by first connecting portion 102b with body 101, and the side that first connecting portion 102b is connected with body 101 is first
Side, opposite side is the second side, and on the thickness direction of battery modules end plate 10, the first side is than the second side closer to body 101.
That is first connecting portion 102b and service portion 102a junction forms bending structure, the bending structure causes energy-absorbing body 102
Bigger expansive force can be resisted, while the energy-absorbing effect of whole energy-absorbing body 102 can also be optimized so that expansive force is more difficult
It is transferred on body 101.
In order to further optimize the energy-absorbing effect of energy-absorbing body 102, energy-absorbing body 102 that the embodiment of the present application provides also includes the
Two connecting portion 102c, first connecting portion 102b are connected by second connecting portion 102c with body 101.The edge shape of body 101
Into reel 101a, reel 101a can be passed through for fastener, and battery modules are positioned at into target location (such as battery bag with this
Bottom plate) place.Second connecting portion 102c and reel 101a is embedded in, therefore energy-absorbing body 102 will pass through first connecting portion 102b and second
Connecting portion 102c is assembled together with body 101.Only filled compared to energy-absorbing body 102 by first connecting portion 102b and reel 101a
The mode matched somebody with somebody, it is larger due to that can be formed between second connecting portion 102c and reel 101a after increasing second connecting portion 102c
Contact area, therefore the installation strength between energy-absorbing body 102 and body 101 can also increase therewith.
Further, second connecting portion 102c can include cylindrical body, and reel 101a is embedded in the inside of the cylindrical body, the cylinder
The outer surface of the inwall of shape body and reel 101a fits.Being arranged such can make between second connecting portion 102c and reel 101a
Form bigger contact area so that the installation strength between energy-absorbing body 102 and body 101 is lifted with bigger amplitude.Specifically
Ground, second connecting portion 102c opposite end can be relative on the thickness direction of battery modules end plate 10 so that the second connection
Portion 102c limits reel 101a motion on the thickness direction, ensures to be not easy between second connecting portion 102c and reel 101a
Depart from.
In addition, cylindrical body and reel 101a could be arranged to cylindrical structure, by the radial dimension of selection to both,
Can increase the active force that cylindrical body applies to reel 101a, so to be formed between the two it is bigger compress effect, less
It is easily separated from.Meanwhile can be by cylindrical body and reel 101a effect between energy-absorbing body 102 and body 101, realize more significantly
The relative motion of degree so that deformation by a larger margin can occur for energy-absorbing body 102, then absorb expansive force.
It can be connected between above-mentioned first connecting portion 102b and second connecting portion 102c by way of arc transition so that
Connection between the two is relatively smooth, in another structure, first connecting portion 102b and second connecting portion 102c connection
Protruded to close to the direction of body 101 at place.The latter causes connection between first connecting portion 102b and second connecting portion 102c more
Have the mutability on direction, the overall energy-absorbing effect of energy-absorbing body 102 is improved with this so that energy-absorbing body 102 can be relative to body
101 occur bigger deformation, absorb bigger expansive force.
It is to be appreciated that in service portion 102a opposite sides, first connecting portion 102b and second can be passed through with only one
Connecting portion 102c is connected with body 101, still, in order to strengthen the effect of energy-absorbing body 102, can use following scheme:Service portion
102a opposite sides is connected by first connecting portion 102b and second connecting portion 102c with body 101, specifically may be referred to
Structure shown in Fig. 4.
Based on said structure, as shown in figure 1, the embodiment of the present application also provides a kind of battery modules, it includes rigid end sheet
With plastic cement end plate 12, the plastic cement end plate 12 is arranged between battery and rigid end sheet, and rigid end sheet herein is as any of the above-described
Battery modules end plate 10 described by embodiment.Plastic cement end plate 12 can by way of bonding and rigid end sheet energy-absorbing body
102 fix.
In the battery modules end plate 10 provided due to the embodiment of the present application, the energy-absorbing body 102 towards plastic cement end plate 12 can be with
Curved slab is arranged to, towards the face of plastic cement end plate 12 is curved surface on energy-absorbing body 102 now.In order to increase plastic cement end plate 12 with just
Property end plate between contact area, to lift the installation strength of battery, while cause expansive force to be uniformly applied to energy-absorbing body
102, at least a portion on plastic cement end plate 12 towards the surface 120 of energy-absorbing body 102 can be made to be fitted with the curved surface.For example,
When curved surface herein is further configured to cambered surface, can correspond to by plastic cement end plate 12 towards the surface 120 of energy-absorbing body 102
It is also configured as cambered surface.
The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of battery modules end plate, it is characterised in that including body and energy-absorbing body, the energy-absorbing body is installed on the body
On, the body and the energy-absorbing body are relative on the thickness direction of the battery modules end plate, and have supply institute between the two
State the clearance space of energy-absorbing body deformation.
2. battery modules end plate according to claim 1, it is characterised in that the energy-absorbing body is curved slab.
3. battery modules end plate according to claim 2, it is characterised in that the energy-absorbing body is cambered plate, the energy-absorbing
The middle part of body is bent to close to the direction of the body.
4. battery modules end plate according to claim 1, it is characterised in that the energy-absorbing body includes service portion and first and connected
Socket part, the service portion are connected by the first connecting portion with the body,
The side that the first connecting portion is connected with the body is the first side, and opposite side is the second side, in the battery modules
On the thickness direction of end plate, first side is than second side closer to the body.
5. battery modules end plate according to claim 4, it is characterised in that the energy-absorbing body also includes second connecting portion,
The first connecting portion is connected by the second connecting portion with the body,
The edge of the body forms reel, and the second connecting portion is embedded in the reel.
6. battery modules end plate according to claim 5, it is characterised in that the second connecting portion includes cylindrical body, institute
The inside that reel is embedded in the cylindrical body is stated, the outer surface of the inwall of the cylindrical body and the reel fits.
7. battery modules end plate according to claim 5, it is characterised in that the first connecting portion is connected with described second
Protruded to close to the direction of the body junction in portion.
8. battery modules end plate according to claim 5, it is characterised in that the opposite sides of the service portion passes through institute
State first connecting portion and the second connecting portion is connected with the body.
A kind of 9. battery modules, it is characterised in that including rigid end sheet and plastic cement end plate, the plastic cement end plate be arranged at battery with
Between the rigid end sheet, the rigid end sheet is the battery modules end plate any one of claim 1-8.
10. battery modules according to claim 9, it is characterised in that the energy-absorbing body of the rigid end sheet is curved slab, institute
It is curved surface to state on energy-absorbing body towards the face of the plastic cement end plate, on the plastic cement end plate towards the surface of the energy-absorbing body at least
It is a part of to be fitted with the curved surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720873007.3U CN207009516U (en) | 2017-07-18 | 2017-07-18 | Battery modules end plate and battery modules |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720873007.3U CN207009516U (en) | 2017-07-18 | 2017-07-18 | Battery modules end plate and battery modules |
Publications (1)
Publication Number | Publication Date |
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CN207009516U true CN207009516U (en) | 2018-02-13 |
Family
ID=61454881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201720873007.3U Active CN207009516U (en) | 2017-07-18 | 2017-07-18 | Battery modules end plate and battery modules |
Country Status (1)
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CN (1) | CN207009516U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110323373A (en) * | 2018-03-30 | 2019-10-11 | 郑州深澜动力科技有限公司 | The frame and power module of battery modules, battery modules |
DE202020104503U1 (en) | 2020-08-04 | 2021-09-07 | Webasto SE | Housing for a battery module for holding battery cells |
CN114221074A (en) * | 2020-09-07 | 2022-03-22 | 比亚迪股份有限公司 | Battery tray, battery package and electric automobile |
CN114361684A (en) * | 2020-09-27 | 2022-04-15 | 比亚迪股份有限公司 | Battery tray and battery pack with same |
-
2017
- 2017-07-18 CN CN201720873007.3U patent/CN207009516U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110323373A (en) * | 2018-03-30 | 2019-10-11 | 郑州深澜动力科技有限公司 | The frame and power module of battery modules, battery modules |
DE202020104503U1 (en) | 2020-08-04 | 2021-09-07 | Webasto SE | Housing for a battery module for holding battery cells |
CN114221074A (en) * | 2020-09-07 | 2022-03-22 | 比亚迪股份有限公司 | Battery tray, battery package and electric automobile |
CN114361684A (en) * | 2020-09-27 | 2022-04-15 | 比亚迪股份有限公司 | Battery tray and battery pack with same |
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